DR. JEFFREY IAN PETERSEN DMD
NPI 1669454211
Dentist - General Practice in Santa Rosa, CA

NPI Status: Active since November 18, 2005

Contact Information

2448 GUERNEVILLE RD
SANTA ROSA, CA
ZIP 95403
Phone: (707) 579-2808
Fax: (707) 579-2877

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  • Individual
  • Male
  • Dentist
  • General Practice

About JEFFREY PETERSEN

This page provides the complete NPI Profile along with additional information for Jeffrey Petersen, a provider established in Santa Rosa, California with a medical specialization in Dentist, focusing in general practice . The healthcare provider is registered in the NPI registry with number 1669454211 assigned on November 2005. The practitioner's primary taxonomy code is 1223G0001X with license number 36313 (CA). The provider is registered as an individual and his NPI record was last updated 19 years ago.

NPI
1669454211
Provider Name
DR. JEFFREY IAN PETERSEN DMD
Gender
Male
Entity Type
Individual
Location Address
2448 GUERNEVILLE RD SANTA ROSA, CA 95403
Location Phone
(707) 579-2808
Location Fax
(707) 579-2877
Mailing Address
91 HOP RANCH RD SANTA ROSA, CA 95403
Mailing Phone
(707) 579-2737
Is Sole Proprietor?
Yes
Enumeration Date
11-18-2005
Last Update Date
07-08-2007
Code Navigator

A dentist like Jeffrey Petersen is a skilled in and licensed provider that diagnoses and treats problems with patients teeth, gums, and related parts of the mouth. Dentists educate patients on how to take care of the teeth and gums and provide information on diet choices that affect oral health. Dentists must be licensed in the state in which they work.

Location Map

Specialty - Primary Taxonomy

The NPI enumerator requires providers to submit at least one taxonomy code. A taxonomy code is a unique 10-character code that describes the healthcare provider type, classification, and the area of specialization. There could be only one primary taxonomy code per NPI record. For individual NPIs the license data is associated to the taxonomy code.

Classification

Dentist General Practice

Taxonomy Code
1223G0001X
Type
Dental Providers
License No.
36313
License State
CA
Taxonomy Description
A general dentist is the primary dental care provider for patients of all ages. The general dentist is responsible for the diagnosis, treatment, management and overall coordination of services related to patients' oral health needs.

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NPI NPI Number Validation

How NPI Validation Works

The NPI validation process uses the ISO-standard Luhn algorithm, a mathematical "handshake", to ensure that a provider's 10-digit ID is authentic and free of common typing errors.

To verify the NPI 1669454211, we treat the final digit (1) as the Check Digit—the target answer we need to reach. The process begins by taking the first nine digits and adding a constant value of 24, which accounts for the "80840" prefix required for all U.S. health identifiers. We then double every other digit starting from the right and sum the individual digits of those results together. For this specific NPI, that total comes to 69. The final step is to find the difference between that total and the next multiple of ten (70 - 69 = 1).

Digit-by-digit view

Use the first nine digits for the calculation. Starting from the right, double every other digit. The last digit is the check digit and is not part of the calculation.

Pos 1
1
Doubled → 2
Pos 2
6
Unchanged
Pos 3
6
Doubled → 12 → 1 + 2
Pos 4
9
Unchanged
Pos 5
4
Doubled → 8
Pos 6
5
Unchanged
Pos 7
4
Doubled → 8
Pos 8
2
Unchanged
Pos 9
1
Doubled → 2
Check
1
Target digit
Regular digit Doubled digit Check digit

Step 1: Double every other digit from the right

Starting with the rightmost digit of the first nine digits, double every other value. If doubling creates a two-digit number, add those digits together.

1 → 2 6 → 12 → 3 4 → 8 4 → 8 1 → 2

Step 2: Add all digits plus the NPI constant

Add the transformed values, the unchanged digits, and the constant 24.

2 + 6 + 1 + 2 + 9 + 8 + 5 + 8 + 2 + 2 + 24 = 69

Step 3: Find the amount needed to reach the next multiple of 10

The next multiple of ten after 69 is 70. The difference is the calculated check digit.

70 - 69 = 1
This NPI is valid
The calculated check digit is 1, which matches the last digit of 1669454211.

Other Providers at the Same Location


The following 17 providers are registered at the same or a nearby location.

Dentist (General Practice)
2448 GUERNEVILLE RD, SUITE 500
SANTA ROSA, CA 95403
Dentist (General Practice)
2448 GUERNEVILLE RD, STE 200
SANTA ROSA, CA 95403
Internal Medicine
2448 GUERNEVILLE RD, SUITE #400
SANTA ROSA, CA 95403
Dentist
2448 GUERNEVILLE RD, SUITE 1000
SANTA ROSA, CA 95403
Internal Medicine
2448 GUERNEVILLE RD, STE. 800
SANTA ROSA, CA 95403
Acupuncturist
2448 GUERNEVILLE RD, SUITE 400
SANTA ROSA, CA 95403
Acupuncturist
2448 GUERNEVILLE RD, SUITE 1100
SANTA ROSA, CA 95403
Dentist
2448 GUERNEVILLE RD, SUITE 1200
SANTA ROSA, CA 95403
Dentist (General Practice)
2448 GUERNEVILLE RD, SUITE 700
SANTA ROSA, CA 95403
Physical Therapist
2448 GUERNEVILLE RD, SUITE 300
SANTA ROSA, CA 95403
Dentist
2448 GUERNEVILLE RD
SANTA ROSA, CA 95403
Acupuncturist
2448 GUERNEVILLE RD, 1100
SANTA ROSA, CA 95403
Family Medicine
2448 GUERNEVILLE RD, SUITE 900
SANTA ROSA, CA 95403
Dentist
2448 GUERNEVILLE RD, SUITE 200
SANTA ROSA, CA 95403
Physical Medicine & Rehabilitation
2448 GUERNEVILLE RD
SANTA ROSA, CA 95403
Physical Therapist
2448 GUERNEVILLE RD, SUITE 300
SANTA ROSA, CA 95403
Physical Therapist
2448 GUERNEVILLE RD, SUITE 300
SANTA ROSA, CA 95403

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1669454211, enumerated as an "individual" on November 18, 2005.

The provider is located at 2448 GUERNEVILLE RD SANTA ROSA, CA 95403 and the phone number is (707) 579-2808.

Dentist with taxonomy code 1223G0001X and a focus in General Practice.